
Mockaroo
DataConstruct
Data Creator
Datamade
Random Data
Generate and manage synthetic datasets easily with DUMMY DATABASE

Hemelion
Decision Mentor
argunet editor
Big Decisions
DebateGraph
Decisionize
Kialo
Rationale let's you create, online, argument maps.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | dummydatabase.com | rationaleonline.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Serbia · 1 - 9 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Dummy Database is built to solve a simple, yet annoying problem — generating realistic test datasets quickly, without writing scripts or juggling Excel files. It’s designed for: - Developers needing dummy databases for prototyping & testing. - Analysts and BI specialists preparing demo...
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What each product offers, as listed by its team.


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As answered by people managing DUMMY DATABASE and Rationale.
DUMMY DATABASE's answer
A free, all-in-one data generation platform that builds everything from simple tables to full relational databases with advanced controls, unique event sequences, ERD visualization, built-in SQL querying, and multiple export formats — no limits, no paywalls.
DUMMY DATABASE's answer
Unlike other data generators, DUMMY DATABASE gives you full relational database creation, unique event simulations, advanced control over every field, built-in SQL querying, and generous free limits — so you can go from idea to test-ready data without restrictions, subscriptions, or hidden fees
DUMMY DATABASE's answer
DUMMY DATABASE's answer
Began as a project for myself to be able to have custom datasets for testing purpose I've decided that it could be useful for wider audience and finalized it as a full-stack web project
DUMMY DATABASE's answer
Python, Flask, HTML, CSS, Bootstrap, Redis, PostgreSQL, JavaScript
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A realistic data generator to test your app
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Decision support for hard choices. Hemelion separates facts, assumptions, preferences, and unknowns; makes trade-offs visible; tests where a conclusion is fragile; and turns uncertainty into a small, reversible next step.
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DecisionMentor is a Multi-Criteria Decision Making application designed to simplify complex decisions for individuals with Public and Private Decisions
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Data generator that can create a table filled with pseudo-random content.
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Argunet Editor is a free argument map editor for analyzing and visualizing complex debates.
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